The HX711 Dual-Channel 24 Bit Precision A/D weight Pressure Sensor Load Cell Amplifier and ADC Module is a small breakout board for the HX711 IC that allows you to easily read load cells to measure weight. The HX711 uses a two-wire interface (Clock and Data) for communication. The load cell amplifier module communicates with the host via the TTL 232. By connecting the module to your microcontroller you will be able to read the changes in the resistance of the load cell and with some calibration. You’ll be able to get very accurate weight measurements. This pressure sensor can be handy for creating your own industrial scale, process control, or simple presence detection. It is commonly used to measure force, pressure, tension, torque, acceleration, and displacement used in aviation, machinery, electricity, chemistry, construction, medicine, and many other areas. Features Of Dual-Channel 24 Bit Precision A/D Module Pressure Sensor Module:
Two selectable differential input channels
On-chip power supply regulator for load-cell and ADC analog power supply
On-chip oscillator requiring no external component with optional external crystal
On-chip power-on-reset
Simple digital control and serial interface: pin-driven controls, no programming needed
Specifications Of HX711 Dual-Channel Weighing Sensor Module:
Separator Input Voltage: 40mV
Data Accuracy: 24 bit (24 bit A / D Converter Integrated)
Gain: 32, 64, or 128
2 Channels
Digital Serial Output
Refresh Frequency: 80 Hz
Operating Voltage: 2.6 - 5.5V DC
Operating current: <10mA
Size: 38mm x 21mm x 10mm
Pinouts :
Analog Side :
E+: Excitation positive
E-: Excitation negative
A-: Channel A Negative Input
A+: Channel A positive Input
B-: Channel B Negative Input
B+: Channel B positive Input
Digital Side :
GND: 0V / Ground Power Connection
DT: Data IO Connection
SCK: Serial Clock Input
VCC: Power Input
Package Includes :
1 x HX711 Weighing Sensor Module
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